Speaker



FIG. 1 is a perspective view of a speaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view of one side thereof, the other side view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof.

The broken line boundary on the top portion in FIGS. 1, 2, 4 and 5 delineates an unshaded region which is shown for illustrative purposes only and forms no part of the claimed design. The bottom of the speaker which is not illustrated forms no part of the claimed design. 

The ornamental design for a speaker, as shown and described. 